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Heads of the Shiba House

Retsudo Shiba

Retsudo Shiba was the first head of the Shiba house, Shinken Red I (初代シンケンレッド,Shodai Shinken Reddo?). He preceded Resshin Shiba.

Resshin Shiba

Resshin Shiba was the second head of the Shiba house, Shinken Red II (二代シンケンレッド,Nidai Shinken Reddo?). He succeeded Retsudo Shiba and preceded Iori Shiba.

Iori Shiba

Iori Shiba was the third head of the Shiba house, Shinken Red III (三代シンケンレッド,Sandai Shinken Reddo?). He succeeded Resshin Shiba and preceded Sakuya Shiba.

Sakuya Shiba

Sakuya Shiba was the fourth head of the Shiba house, Shinken Red IV (四代シンケンレッド,Yondai Shinken Reddo?). She succeeded Iori Shiba and preceded Yukiyasu Shiba. She is the first female Red Ranger in Super Sentai although she is never seen transformed or otherwise.

Kaoru Shiba

Kaoru Shiba was the eighteenth head of the Shiba house, Shinken Red XVIII. The daughter of Masataka Shiba, she trained as a samurai in secret from birth until assuming her place as Shiba head when she came of age only to step down in favor of her decoy, whom she adopted as her son, soon after. Despite her abdication, Kaoru continues to serve as a representative of the Shiba house.

Takeru Shiba

Takeru Shiba is the ninteenth and current head of the Shiba house, Shinken Red XIX. The son of one of Masataka Shiba's stewards, he was raised to serve as a decoy head of the Shiba clan while the true head was trained as a samurai in secret. Though the true head, Kaoru Shiba, ultimately returned to assume her role, she chose to step down and pass the title of lord to Takeru by adopting him.

Shinken Red

As Shinken Red (シンケンレッド,Shinken Reddo?), the head of the Shiba House is the Samurai of Fire (火の侍,Hi no Samurai?) and can use the Inromaru by itself to become Super Shinken Red (スーパーシンケンレッド,Sūpā Shinken Reddo?) or with the Kyoryumaru to become Hyper Shinken Red (ハイパーシンケンレッド,Haipā Shinken Reddo?).

Shinken Red ♂

As Shinken Red (シンケンレッド,Shinken Reddo?), he is the Samurai of Fire (火の侍,Hi no Samurai?).

This makes a total of 8 people who have used the Shinken Red powers over the course of both Shinkenger and Gokaiger (Retsudo, Masataka, Takeru, Kaoru, Marvelous, the Shinken Red Key thief, Luka, and Ahim).

The Shinken Red suits used by the Shiba family change gender when used by a female, as they become the female version of the Shinken Red suits. The suits changing would become more common in Gokaiger as well as Kyoryuger.